2 files changed, 7 insertions, 8 deletions
diff --git a/actionpack/test/controller/parameters/accessors_test.rb b/actionpack/test/controller/parameters/accessors_test.rb
index 8a522b2df8..2893eb7b91 100644
--- a/actionpack/test/controller/parameters/accessors_test.rb
+++ b/actionpack/test/controller/parameters/accessors_test.rb
@@ -131,14 +131,6 @@ class ParametersAccessorsTest < ActiveSupport::TestCase
     assert_not @params[:person].values_at(:name).first.permitted?
   end
 
-  test "equality with a hash is deprecated" do
-    hash1 = { foo: :bar }
-    params1 = ActionController::Parameters.new(hash1)
-    assert_deprecated("will be removed in Rails 5.1") do
-      assert(params1 == hash1)
-    end
-  end
-
   test "is equal to Parameters instance with same params" do
     params1 = ActionController::Parameters.new(a: 1, b: 2)
     params2 = ActionController::Parameters.new(a: 1, b: 2)
diff --git a/actionpack/test/controller/parameters/parameters_permit_test.rb b/actionpack/test/controller/parameters/parameters_permit_test.rb
index 164efd936c..728d8e1279 100644
--- a/actionpack/test/controller/parameters/parameters_permit_test.rb
+++ b/actionpack/test/controller/parameters/parameters_permit_test.rb
@@ -237,6 +237,13 @@ class ParametersPermitTest < ActiveSupport::TestCase
     assert @params.merge(a: "b").permitted?
   end
 
+  test "merge with parameters" do
+    other_params = ActionController::Parameters.new(id: "1234").permit!
+    merged_params = @params.merge(other_params)
+
+    assert merged_params[:id]
+  end
+
   test "modifying the parameters" do
     @params[:person][:hometown] = "Chicago"
     @params[:person][:family] = { brother: "Jonas" }